WALL BUTTERFLY. 
189 
double ; behind this there is a waved band of pale 
yellow. The fringe of the wings is whitish and 
brown alternately. 
The caterpillar is pubescent, of a light green, with 
a whitish line on each side. 
Far from being a scarce species, and apparently 
found in all parts of the country. It occurs in 
April, July, and August. 
